statistics
ENTC 4037/5037
Homework 2 09/12/2017
20
1. Determine the Revised Upper control limit ()and Lower control limit (for R chart for the following given sample:
|
Sample Number |
x1 |
x2 |
x3 |
x4 |
x5 |
R |
|
1 |
15.8 |
16.3 |
16.2 |
16.1 |
16.6 |
0.8 |
|
2 |
16.3 |
15.9 |
15.9 |
16.2 |
16.4 |
0.5 |
|
3 |
16.1 |
16.2 |
16.5 |
16.4 |
16.3 |
0.4 |
|
4 |
16.3 |
16.2 |
15.9 |
16.4 |
16.2 |
0.4 |
|
5 |
16.1 |
16.1 |
16.4 |
16.5 |
16 |
0.5 |
|
6 |
16.1 |
15.8 |
16.7 |
16.6 |
16.4 |
0.9 |
|
7 |
16.1 |
16.3 |
16.5 |
16.1 |
16.5 |
0.4 |
|
8 |
16.2 |
16.1 |
16.2 |
16.1 |
16.3 |
0.2 |
|
9 |
16.3 |
16.2 |
16.4 |
16.3 |
16.5 |
0.3 |
|
10 |
16.6 |
16.3 |
16.4 |
16.1 |
16.5 |
0.5 |
|
11 |
16.2 |
16.4 |
15.9 |
16.3 |
16.4 |
0.5 |
|
12 |
15.9 |
16.6 |
16.7 |
16.2 |
16.5 |
0.8 |
|
13 |
16.4 |
16.1 |
16.6 |
16.4 |
16.1 |
0.5 |
|
14 |
16.5 |
16.3 |
16.2 |
16.3 |
16.4 |
0.3 |
|
15 |
16.4 |
16.1 |
16.3 |
16.2 |
16.2 |
0.3 |
|
16 |
16 |
16.2 |
16.3 |
16.3 |
16.2 |
0.3 |
|
17 |
16.4 |
16.2 |
16.4 |
16.3 |
16.2 |
0.2 |
|
18 |
16 |
16.2 |
16.4 |
16.5 |
16.1 |
0.5 |
|
19 |
16.4 |
16 |
16.3 |
16.4 |
16.4 |
0.4 |
|
20 |
16.4 |
16.4 |
16.5 |
16 |
15.8 |
0.7 |